The kinetic and photochemical data included in this application supports atmospheric science studies. The user is provided access to atmospherically relevant bimolecular, termolecular, and equilibrium rate coefficient and product yield recommendations for reactions and photochemical data for molecules. The literature data used to derive the recommendations is provided graphically and described in the attached notes. The application includes interactive calculators for the calculation of rate coefficients over a range of temperature and pressure conditions and photochemical supporting downloadable files.